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Re: [EnergyPlus_Support] a problem with model: thermal storage:ice



While EnergyPlus supports glycol solutions, not all components support it.  
EnergyPlus will allow "water" loops to go below zero C without freezing the 
loop.  You do not need two separate loops. 

Mike

On 10 May 2006 at 14:21, jingjuan_feng wrote:

> Hi,
> I am now trying to simulate an ice thermal storage system with 
> EnergyPlus, and I have studied the 5zoneicestorage and 
> Detailedicestorage example file as reference. In this file, in the 
> charging mode, the chilled water setpoint is set to be -5. However, at 
> this tempreture the water is already frozen. Usually, this tempreture 
> is given to glycol or brine. What's more, in the <Input and Output 
> reference> and <Engineering Reference>, I can not clearly find out the 
> loop for glycol. Since it has suggestted that the ice storage tank 
> should be placed in the chilled water supply side outlet branch, and 
> must be followed by a pipe component in series, I have some 
> difficulties in adding purchased cooling in cw supply loop,because 
> the supply side have two type of fluid: one is water and another is 
> glycol that only one bypass branch is not proper. 
> I am now in urgent need for the answer. Thank you very much!
> 
> 
> 
> 
> 
> 
> 
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
> 
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
> 
> Attachments are not allowed -- please post any files to the appropriate folder
> in the Files area of the Support Web Site.
> 
> EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the
> "search" button.
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 
> 
> 
> 


========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx





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The primary EnergyPlus web site is found at:
http://www.energyplus.gov

The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/

Attachments are not allowed -- please post any files to the appropriate folder in the Files area of the Support Web Site.

EnergyPlus Documentation is searchable.  Open EPlusMainMenu.idf and press the "search" button.
 
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